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Finding the Fourth Proportional to 299,498.48, 449,097.48 and 99,748.64

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Solution

The fourth proportional to 299,498.48, 449,097.48 and 99,748.64 is: 149,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,498.48 : 449,097.48 = 99,748.64 : x
  2. Step 2: Convert to fraction form
    299,498.48/449,097.48 = 99,748.64/x
  3. Step 3: Cross multiply
    299,498.48x = 449,097.48 × 99,748.64
  4. Step 4: Simplify right side
    299,498.48x = 44,796,862,857.43
  5. Step 5: Solve for x
    x = 44,796,862,857.43/299,498.48
  6. Step 6: Final answer
    x = 149,572.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.